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saul85 [17]
3 years ago
5

Find the exact value of each expression . Do not use a calculator .

Mathematics
1 answer:
Alex73 [517]3 years ago
8 0
The attached table is one that it is convenient for you to memorize as long as you're taking courses involving angles. For the inverse functions, find the column corresponding to the function, then look for the value in that column. The angle at the beginning of that row is the answer to your question.

8. \cos^{-1}(0)= 90^{\circ}=\dfrac{\pi}{2}

9. \sin^{-1}(1)= 90^{\circ}=\dfrac{\pi}{2}

10. \tan^{-1}\left( \dfrac{\sqrt{3}}{3} \right)=30^{\circ}=\dfrac{\pi}{6}

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Which value of m satisfies the inequality 170-7m >99?
Shkiper50 [21]

Answer:

\huge  \purple{m <  \frac{71}{7} } \\

Step-by-step explanation:

170 - 7m > 99

<u>Move 170 to the right side of the inequality</u>

- 7m > 99 - 170 \\  - 7m >  - 71

<u>Divide both sides by - 7</u>

\frac{ - 7m}{ - 7}   >   \frac{ - 71}{ - 7}  \\ m >  \frac{71}{7}

Flip the signs

We have the final answer as

m <  \frac{71}{7}  \\

Hope this helps you

7 0
3 years ago
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Help me out pleasee will give brainliest or whatever its called
Brums [2.3K]

Answer:

-8z-1

Step-by-step explanation:

6 0
3 years ago
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The total weight of samsiah and Julia is twice the weight of Mary. if samsiah weighs 54 kg and Mary weighs 60 kg, find the actua
Wewaii [24]

s + j = 2m

s = 54

m = 60

54 + j = 120

j = 120 - 54

j = 66

4 0
2 years ago
Please help!!! I'll mark you as brainliest!!!!
podryga [215]
0.504854369 as a percentage would be 50.4854369%

easiest way to remember: a percentage is a decimal rounded 2 decimal places to the right

rounded to the nearest tenth, the percentage will be 50.5%

if u need more help tell me

4 0
3 years ago
Which of the following expressions has more than one term? (1 point)
IceJOKER [234]

'dz' because d and z are different values.

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3 years ago
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